Hi Chris,
Like you, I’ve noticed others using twin ropes. As there are apparent advantages when placing safety off the climbing line, traversing, etc, I have bought two ropes for the purpose. The first was a normal Beal Verdon half rope, the second a triple rated rope which doubles as a single rope for sport climbing, etc. This rope is a Simond Edge Dry rope from Decathlon. At £74.99 for a 50m rope, this also suited my shallow pockets. They also do a dry cover half rope in both orange and blue if pink (the Edge Dry) isn’t your thing. Urban Rock (urbanrock.com) also have good deals on pairs of Beal half ropes (other brands and suppliers are also available). Hope this helps.
On the subject of climbing with twin ropes, for our experienced climbers. Would it be possible to have a tutorial one Sunday for newbies such as myself, in the use of twin ropes, building on the beginners sessions held earlier in the year ?
Paul Williams